sheetjs/packages/ssf/bits/90_main.js

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function choose_fmt(f/*:string*/, v/*:any*/) {
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var fmt = split_fmt(f);
var l = fmt.length, lat = fmt[l-1].indexOf("@");
if(l<4 && lat>-1) --l;
if(fmt.length > 4) throw new Error("cannot find right format for |" + fmt.join("|") + "|");
if(typeof v !== "number") return [4, fmt.length === 4 || lat>-1?fmt[fmt.length-1]:"@"];
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/* NOTE: most spreadsheet software do not support NaN or infinities */
if(typeof v === "number" && !isFinite(v)) v = 0;
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switch(fmt.length) {
case 1: fmt = lat>-1 ? ["General", "General", "General", fmt[0]] : [fmt[0], fmt[0], fmt[0], "@"]; break;
case 2: fmt = lat>-1 ? [fmt[0], fmt[0], fmt[0], fmt[1]] : [fmt[0], fmt[1], fmt[0], "@"]; break;
case 3: fmt = lat>-1 ? [fmt[0], fmt[1], fmt[0], fmt[2]] : [fmt[0], fmt[1], fmt[2], "@"]; break;
case 4: break;
}
var ff = v > 0 ? fmt[0] : v < 0 ? fmt[1] : fmt[2];
if(fmt[0].indexOf("[") === -1 && fmt[1].indexOf("[") === -1) return [l, ff];
if(fmt[0].match(cfregex) != null || fmt[1].match(cfregex) != null) {
var m1 = fmt[0].match(cfregex2);
var m2 = fmt[1].match(cfregex2);
return chkcond(v, m1) ? [l, fmt[0]] : chkcond(v, m2) ? [l, fmt[1]] : [l, fmt[m1 != null && m2 != null ? 2 : 1]];
}
return [l, ff];
}
function format(fmt/*:string|number*/,v/*:any*/,o/*:?any*/) {
if(o == null) o = {};
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var sfmt = "";
switch(typeof fmt) {
case "string":
if(fmt == "m/d/yy" && o.dateNF) sfmt = o.dateNF;
else sfmt = fmt;
break;
case "number":
if(fmt == 14 && o.dateNF) sfmt = o.dateNF;
else sfmt = (o.table != null ? (o.table/*:any*/) : table_fmt)[fmt];
if(sfmt == null) sfmt = (o.table && o.table[default_map[fmt]]) || table_fmt[default_map[fmt]];
if(sfmt == null) sfmt = default_str[fmt] || "General";
break;
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}
if(isgeneral(sfmt,0)) return general_fmt(v, o);
if(v instanceof Date) v = datenum_local(v, o.date1904);
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var f = choose_fmt(sfmt, v);
if(isgeneral(f[1])) return general_fmt(v, o);
if(v === true) v = "TRUE"; else if(v === false) v = "FALSE";
else if(v === "" || v == null) return "";
else if(isNaN(v) && f[1].indexOf("0") > -1) return "#NUM!";
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else if(!isFinite(v) && f[1].indexOf("0") > -1) return "#DIV/0!";
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return eval_fmt(f[1], v, o, f[0]);
}